jpayne@69: /* jpayne@69: * libev native API header jpayne@69: * jpayne@69: * Copyright (c) 2007-2020 Marc Alexander Lehmann jpayne@69: * All rights reserved. jpayne@69: * jpayne@69: * Redistribution and use in source and binary forms, with or without modifica- jpayne@69: * tion, are permitted provided that the following conditions are met: jpayne@69: * jpayne@69: * 1. Redistributions of source code must retain the above copyright notice, jpayne@69: * this list of conditions and the following disclaimer. jpayne@69: * jpayne@69: * 2. Redistributions in binary form must reproduce the above copyright jpayne@69: * notice, this list of conditions and the following disclaimer in the jpayne@69: * documentation and/or other materials provided with the distribution. jpayne@69: * jpayne@69: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED jpayne@69: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- jpayne@69: * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO jpayne@69: * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- jpayne@69: * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, jpayne@69: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; jpayne@69: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, jpayne@69: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- jpayne@69: * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED jpayne@69: * OF THE POSSIBILITY OF SUCH DAMAGE. jpayne@69: * jpayne@69: * Alternatively, the contents of this file may be used under the terms of jpayne@69: * the GNU General Public License ("GPL") version 2 or any later version, jpayne@69: * in which case the provisions of the GPL are applicable instead of jpayne@69: * the above. If you wish to allow the use of your version of this file jpayne@69: * only under the terms of the GPL and not to allow others to use your jpayne@69: * version of this file under the BSD license, indicate your decision jpayne@69: * by deleting the provisions above and replace them with the notice jpayne@69: * and other provisions required by the GPL. If you do not delete the jpayne@69: * provisions above, a recipient may use your version of this file under jpayne@69: * either the BSD or the GPL. jpayne@69: */ jpayne@69: jpayne@69: #ifndef EV_H_ jpayne@69: #define EV_H_ jpayne@69: jpayne@69: #ifdef __cplusplus jpayne@69: # define EV_CPP(x) x jpayne@69: # if __cplusplus >= 201103L jpayne@69: # define EV_NOEXCEPT noexcept jpayne@69: # else jpayne@69: # define EV_NOEXCEPT jpayne@69: # endif jpayne@69: #else jpayne@69: # define EV_CPP(x) jpayne@69: # define EV_NOEXCEPT jpayne@69: #endif jpayne@69: #define EV_THROW EV_NOEXCEPT /* pre-4.25, do not use in new code */ jpayne@69: jpayne@69: EV_CPP(extern "C" {) jpayne@69: jpayne@69: /*****************************************************************************/ jpayne@69: jpayne@69: /* pre-4.0 compatibility */ jpayne@69: #ifndef EV_COMPAT3 jpayne@69: # define EV_COMPAT3 1 jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_FEATURES jpayne@69: # if defined __OPTIMIZE_SIZE__ jpayne@69: # define EV_FEATURES 0x7c jpayne@69: # else jpayne@69: # define EV_FEATURES 0x7f jpayne@69: # endif jpayne@69: #endif jpayne@69: jpayne@69: #define EV_FEATURE_CODE ((EV_FEATURES) & 1) jpayne@69: #define EV_FEATURE_DATA ((EV_FEATURES) & 2) jpayne@69: #define EV_FEATURE_CONFIG ((EV_FEATURES) & 4) jpayne@69: #define EV_FEATURE_API ((EV_FEATURES) & 8) jpayne@69: #define EV_FEATURE_WATCHERS ((EV_FEATURES) & 16) jpayne@69: #define EV_FEATURE_BACKENDS ((EV_FEATURES) & 32) jpayne@69: #define EV_FEATURE_OS ((EV_FEATURES) & 64) jpayne@69: jpayne@69: /* these priorities are inclusive, higher priorities will be invoked earlier */ jpayne@69: #ifndef EV_MINPRI jpayne@69: # define EV_MINPRI (EV_FEATURE_CONFIG ? -2 : 0) jpayne@69: #endif jpayne@69: #ifndef EV_MAXPRI jpayne@69: # define EV_MAXPRI (EV_FEATURE_CONFIG ? +2 : 0) jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_MULTIPLICITY jpayne@69: # define EV_MULTIPLICITY EV_FEATURE_CONFIG jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_PERIODIC_ENABLE jpayne@69: # define EV_PERIODIC_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_STAT_ENABLE jpayne@69: # define EV_STAT_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_PREPARE_ENABLE jpayne@69: # define EV_PREPARE_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_CHECK_ENABLE jpayne@69: # define EV_CHECK_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_IDLE_ENABLE jpayne@69: # define EV_IDLE_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_FORK_ENABLE jpayne@69: # define EV_FORK_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_CLEANUP_ENABLE jpayne@69: # define EV_CLEANUP_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_SIGNAL_ENABLE jpayne@69: # define EV_SIGNAL_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_CHILD_ENABLE jpayne@69: # ifdef _WIN32 jpayne@69: # define EV_CHILD_ENABLE 0 jpayne@69: # else jpayne@69: # define EV_CHILD_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_ASYNC_ENABLE jpayne@69: # define EV_ASYNC_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_EMBED_ENABLE jpayne@69: # define EV_EMBED_ENABLE EV_FEATURE_WATCHERS jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_WALK_ENABLE jpayne@69: # define EV_WALK_ENABLE 0 /* not yet */ jpayne@69: #endif jpayne@69: jpayne@69: /*****************************************************************************/ jpayne@69: jpayne@69: #if EV_CHILD_ENABLE && !EV_SIGNAL_ENABLE jpayne@69: # undef EV_SIGNAL_ENABLE jpayne@69: # define EV_SIGNAL_ENABLE 1 jpayne@69: #endif jpayne@69: jpayne@69: /*****************************************************************************/ jpayne@69: jpayne@69: #ifndef EV_TSTAMP_T jpayne@69: # define EV_TSTAMP_T double jpayne@69: #endif jpayne@69: typedef EV_TSTAMP_T ev_tstamp; jpayne@69: jpayne@69: #include /* for memmove */ jpayne@69: jpayne@69: #ifndef EV_ATOMIC_T jpayne@69: # include jpayne@69: # define EV_ATOMIC_T sig_atomic_t volatile jpayne@69: #endif jpayne@69: jpayne@69: #if EV_STAT_ENABLE jpayne@69: # ifdef _WIN32 jpayne@69: # include jpayne@69: # include jpayne@69: # endif jpayne@69: # include jpayne@69: #endif jpayne@69: jpayne@69: /* support multiple event loops? */ jpayne@69: #if EV_MULTIPLICITY jpayne@69: struct ev_loop; jpayne@69: # define EV_P struct ev_loop *loop /* a loop as sole parameter in a declaration */ jpayne@69: # define EV_P_ EV_P, /* a loop as first of multiple parameters */ jpayne@69: # define EV_A loop /* a loop as sole argument to a function call */ jpayne@69: # define EV_A_ EV_A, /* a loop as first of multiple arguments */ jpayne@69: # define EV_DEFAULT_UC ev_default_loop_uc_ () /* the default loop, if initialised, as sole arg */ jpayne@69: # define EV_DEFAULT_UC_ EV_DEFAULT_UC, /* the default loop as first of multiple arguments */ jpayne@69: # define EV_DEFAULT ev_default_loop (0) /* the default loop as sole arg */ jpayne@69: # define EV_DEFAULT_ EV_DEFAULT, /* the default loop as first of multiple arguments */ jpayne@69: #else jpayne@69: # define EV_P void jpayne@69: # define EV_P_ jpayne@69: # define EV_A jpayne@69: # define EV_A_ jpayne@69: # define EV_DEFAULT jpayne@69: # define EV_DEFAULT_ jpayne@69: # define EV_DEFAULT_UC jpayne@69: # define EV_DEFAULT_UC_ jpayne@69: # undef EV_EMBED_ENABLE jpayne@69: #endif jpayne@69: jpayne@69: /* EV_INLINE is used for functions in header files */ jpayne@69: #if __STDC_VERSION__ >= 199901L || __GNUC__ >= 3 jpayne@69: # define EV_INLINE static inline jpayne@69: #else jpayne@69: # define EV_INLINE static jpayne@69: #endif jpayne@69: jpayne@69: #ifdef EV_API_STATIC jpayne@69: # define EV_API_DECL static jpayne@69: #else jpayne@69: # define EV_API_DECL extern jpayne@69: #endif jpayne@69: jpayne@69: /* EV_PROTOTYPES can be used to switch of prototype declarations */ jpayne@69: #ifndef EV_PROTOTYPES jpayne@69: # define EV_PROTOTYPES 1 jpayne@69: #endif jpayne@69: jpayne@69: /*****************************************************************************/ jpayne@69: jpayne@69: #define EV_VERSION_MAJOR 4 jpayne@69: #define EV_VERSION_MINOR 33 jpayne@69: jpayne@69: /* eventmask, revents, events... */ jpayne@69: enum { jpayne@69: EV_UNDEF = (int)0xFFFFFFFF, /* guaranteed to be invalid */ jpayne@69: EV_NONE = 0x00, /* no events */ jpayne@69: EV_READ = 0x01, /* ev_io detected read will not block */ jpayne@69: EV_WRITE = 0x02, /* ev_io detected write will not block */ jpayne@69: EV__IOFDSET = 0x80, /* internal use only */ jpayne@69: EV_IO = EV_READ, /* alias for type-detection */ jpayne@69: EV_TIMER = 0x00000100, /* timer timed out */ jpayne@69: #if EV_COMPAT3 jpayne@69: EV_TIMEOUT = EV_TIMER, /* pre 4.0 API compatibility */ jpayne@69: #endif jpayne@69: EV_PERIODIC = 0x00000200, /* periodic timer timed out */ jpayne@69: EV_SIGNAL = 0x00000400, /* signal was received */ jpayne@69: EV_CHILD = 0x00000800, /* child/pid had status change */ jpayne@69: EV_STAT = 0x00001000, /* stat data changed */ jpayne@69: EV_IDLE = 0x00002000, /* event loop is idling */ jpayne@69: EV_PREPARE = 0x00004000, /* event loop about to poll */ jpayne@69: EV_CHECK = 0x00008000, /* event loop finished poll */ jpayne@69: EV_EMBED = 0x00010000, /* embedded event loop needs sweep */ jpayne@69: EV_FORK = 0x00020000, /* event loop resumed in child */ jpayne@69: EV_CLEANUP = 0x00040000, /* event loop resumed in child */ jpayne@69: EV_ASYNC = 0x00080000, /* async intra-loop signal */ jpayne@69: EV_CUSTOM = 0x01000000, /* for use by user code */ jpayne@69: EV_ERROR = (int)0x80000000 /* sent when an error occurs */ jpayne@69: }; jpayne@69: jpayne@69: /* can be used to add custom fields to all watchers, while losing binary compatibility */ jpayne@69: #ifndef EV_COMMON jpayne@69: # define EV_COMMON void *data; jpayne@69: #endif jpayne@69: jpayne@69: #ifndef EV_CB_DECLARE jpayne@69: # define EV_CB_DECLARE(type) void (*cb)(EV_P_ struct type *w, int revents); jpayne@69: #endif jpayne@69: #ifndef EV_CB_INVOKE jpayne@69: # define EV_CB_INVOKE(watcher,revents) (watcher)->cb (EV_A_ (watcher), (revents)) jpayne@69: #endif jpayne@69: jpayne@69: /* not official, do not use */ jpayne@69: #define EV_CB(type,name) void name (EV_P_ struct ev_ ## type *w, int revents) jpayne@69: jpayne@69: /* jpayne@69: * struct member types: jpayne@69: * private: you may look at them, but not change them, jpayne@69: * and they might not mean anything to you. jpayne@69: * ro: can be read anytime, but only changed when the watcher isn't active. jpayne@69: * rw: can be read and modified anytime, even when the watcher is active. jpayne@69: * jpayne@69: * some internal details that might be helpful for debugging: jpayne@69: * jpayne@69: * active is either 0, which means the watcher is not active, jpayne@69: * or the array index of the watcher (periodics, timers) jpayne@69: * or the array index + 1 (most other watchers) jpayne@69: * or simply 1 for watchers that aren't in some array. jpayne@69: * pending is either 0, in which case the watcher isn't, jpayne@69: * or the array index + 1 in the pendings array. jpayne@69: */ jpayne@69: jpayne@69: #if EV_MINPRI == EV_MAXPRI jpayne@69: # define EV_DECL_PRIORITY jpayne@69: #elif !defined (EV_DECL_PRIORITY) jpayne@69: # define EV_DECL_PRIORITY int priority; jpayne@69: #endif jpayne@69: jpayne@69: /* shared by all watchers */ jpayne@69: #define EV_WATCHER(type) \ jpayne@69: int active; /* private */ \ jpayne@69: int pending; /* private */ \ jpayne@69: EV_DECL_PRIORITY /* private */ \ jpayne@69: EV_COMMON /* rw */ \ jpayne@69: EV_CB_DECLARE (type) /* private */ jpayne@69: jpayne@69: #define EV_WATCHER_LIST(type) \ jpayne@69: EV_WATCHER (type) \ jpayne@69: struct ev_watcher_list *next; /* private */ jpayne@69: jpayne@69: #define EV_WATCHER_TIME(type) \ jpayne@69: EV_WATCHER (type) \ jpayne@69: ev_tstamp at; /* private */ jpayne@69: jpayne@69: /* base class, nothing to see here unless you subclass */ jpayne@69: typedef struct ev_watcher jpayne@69: { jpayne@69: EV_WATCHER (ev_watcher) jpayne@69: } ev_watcher; jpayne@69: jpayne@69: /* base class, nothing to see here unless you subclass */ jpayne@69: typedef struct ev_watcher_list jpayne@69: { jpayne@69: EV_WATCHER_LIST (ev_watcher_list) jpayne@69: } ev_watcher_list; jpayne@69: jpayne@69: /* base class, nothing to see here unless you subclass */ jpayne@69: typedef struct ev_watcher_time jpayne@69: { jpayne@69: EV_WATCHER_TIME (ev_watcher_time) jpayne@69: } ev_watcher_time; jpayne@69: jpayne@69: /* invoked when fd is either EV_READable or EV_WRITEable */ jpayne@69: /* revent EV_READ, EV_WRITE */ jpayne@69: typedef struct ev_io jpayne@69: { jpayne@69: EV_WATCHER_LIST (ev_io) jpayne@69: jpayne@69: int fd; /* ro */ jpayne@69: int events; /* ro */ jpayne@69: } ev_io; jpayne@69: jpayne@69: /* invoked after a specific time, repeatable (based on monotonic clock) */ jpayne@69: /* revent EV_TIMEOUT */ jpayne@69: typedef struct ev_timer jpayne@69: { jpayne@69: EV_WATCHER_TIME (ev_timer) jpayne@69: jpayne@69: ev_tstamp repeat; /* rw */ jpayne@69: } ev_timer; jpayne@69: jpayne@69: /* invoked at some specific time, possibly repeating at regular intervals (based on UTC) */ jpayne@69: /* revent EV_PERIODIC */ jpayne@69: typedef struct ev_periodic jpayne@69: { jpayne@69: EV_WATCHER_TIME (ev_periodic) jpayne@69: jpayne@69: ev_tstamp offset; /* rw */ jpayne@69: ev_tstamp interval; /* rw */ jpayne@69: ev_tstamp (*reschedule_cb)(struct ev_periodic *w, ev_tstamp now) EV_NOEXCEPT; /* rw */ jpayne@69: } ev_periodic; jpayne@69: jpayne@69: /* invoked when the given signal has been received */ jpayne@69: /* revent EV_SIGNAL */ jpayne@69: typedef struct ev_signal jpayne@69: { jpayne@69: EV_WATCHER_LIST (ev_signal) jpayne@69: jpayne@69: int signum; /* ro */ jpayne@69: } ev_signal; jpayne@69: jpayne@69: /* invoked when sigchld is received and waitpid indicates the given pid */ jpayne@69: /* revent EV_CHILD */ jpayne@69: /* does not support priorities */ jpayne@69: typedef struct ev_child jpayne@69: { jpayne@69: EV_WATCHER_LIST (ev_child) jpayne@69: jpayne@69: int flags; /* private */ jpayne@69: int pid; /* ro */ jpayne@69: int rpid; /* rw, holds the received pid */ jpayne@69: int rstatus; /* rw, holds the exit status, use the macros from sys/wait.h */ jpayne@69: } ev_child; jpayne@69: jpayne@69: #if EV_STAT_ENABLE jpayne@69: /* st_nlink = 0 means missing file or other error */ jpayne@69: # ifdef _WIN32 jpayne@69: typedef struct _stati64 ev_statdata; jpayne@69: # else jpayne@69: typedef struct stat ev_statdata; jpayne@69: # endif jpayne@69: jpayne@69: /* invoked each time the stat data changes for a given path */ jpayne@69: /* revent EV_STAT */ jpayne@69: typedef struct ev_stat jpayne@69: { jpayne@69: EV_WATCHER_LIST (ev_stat) jpayne@69: jpayne@69: ev_timer timer; /* private */ jpayne@69: ev_tstamp interval; /* ro */ jpayne@69: const char *path; /* ro */ jpayne@69: ev_statdata prev; /* ro */ jpayne@69: ev_statdata attr; /* ro */ jpayne@69: jpayne@69: int wd; /* wd for inotify, fd for kqueue */ jpayne@69: } ev_stat; jpayne@69: #endif jpayne@69: jpayne@69: /* invoked when the nothing else needs to be done, keeps the process from blocking */ jpayne@69: /* revent EV_IDLE */ jpayne@69: typedef struct ev_idle jpayne@69: { jpayne@69: EV_WATCHER (ev_idle) jpayne@69: } ev_idle; jpayne@69: jpayne@69: /* invoked for each run of the mainloop, just before the blocking call */ jpayne@69: /* you can still change events in any way you like */ jpayne@69: /* revent EV_PREPARE */ jpayne@69: typedef struct ev_prepare jpayne@69: { jpayne@69: EV_WATCHER (ev_prepare) jpayne@69: } ev_prepare; jpayne@69: jpayne@69: /* invoked for each run of the mainloop, just after the blocking call */ jpayne@69: /* revent EV_CHECK */ jpayne@69: typedef struct ev_check jpayne@69: { jpayne@69: EV_WATCHER (ev_check) jpayne@69: } ev_check; jpayne@69: jpayne@69: /* the callback gets invoked before check in the child process when a fork was detected */ jpayne@69: /* revent EV_FORK */ jpayne@69: typedef struct ev_fork jpayne@69: { jpayne@69: EV_WATCHER (ev_fork) jpayne@69: } ev_fork; jpayne@69: jpayne@69: /* is invoked just before the loop gets destroyed */ jpayne@69: /* revent EV_CLEANUP */ jpayne@69: typedef struct ev_cleanup jpayne@69: { jpayne@69: EV_WATCHER (ev_cleanup) jpayne@69: } ev_cleanup; jpayne@69: jpayne@69: #if EV_EMBED_ENABLE jpayne@69: /* used to embed an event loop inside another */ jpayne@69: /* the callback gets invoked when the event loop has handled events, and can be 0 */ jpayne@69: typedef struct ev_embed jpayne@69: { jpayne@69: EV_WATCHER (ev_embed) jpayne@69: jpayne@69: struct ev_loop *other; /* ro */ jpayne@69: #undef EV_IO_ENABLE jpayne@69: #define EV_IO_ENABLE 1 jpayne@69: ev_io io; /* private */ jpayne@69: #undef EV_PREPARE_ENABLE jpayne@69: #define EV_PREPARE_ENABLE 1 jpayne@69: ev_prepare prepare; /* private */ jpayne@69: ev_check check; /* unused */ jpayne@69: ev_timer timer; /* unused */ jpayne@69: ev_periodic periodic; /* unused */ jpayne@69: ev_idle idle; /* unused */ jpayne@69: ev_fork fork; /* private */ jpayne@69: ev_cleanup cleanup; /* unused */ jpayne@69: } ev_embed; jpayne@69: #endif jpayne@69: jpayne@69: #if EV_ASYNC_ENABLE jpayne@69: /* invoked when somebody calls ev_async_send on the watcher */ jpayne@69: /* revent EV_ASYNC */ jpayne@69: typedef struct ev_async jpayne@69: { jpayne@69: EV_WATCHER (ev_async) jpayne@69: jpayne@69: EV_ATOMIC_T sent; /* private */ jpayne@69: } ev_async; jpayne@69: jpayne@69: # define ev_async_pending(w) (+(w)->sent) jpayne@69: #endif jpayne@69: jpayne@69: /* the presence of this union forces similar struct layout */ jpayne@69: union ev_any_watcher jpayne@69: { jpayne@69: struct ev_watcher w; jpayne@69: struct ev_watcher_list wl; jpayne@69: jpayne@69: struct ev_io io; jpayne@69: struct ev_timer timer; jpayne@69: struct ev_periodic periodic; jpayne@69: struct ev_signal signal; jpayne@69: struct ev_child child; jpayne@69: #if EV_STAT_ENABLE jpayne@69: struct ev_stat stat; jpayne@69: #endif jpayne@69: #if EV_IDLE_ENABLE jpayne@69: struct ev_idle idle; jpayne@69: #endif jpayne@69: struct ev_prepare prepare; jpayne@69: struct ev_check check; jpayne@69: #if EV_FORK_ENABLE jpayne@69: struct ev_fork fork; jpayne@69: #endif jpayne@69: #if EV_CLEANUP_ENABLE jpayne@69: struct ev_cleanup cleanup; jpayne@69: #endif jpayne@69: #if EV_EMBED_ENABLE jpayne@69: struct ev_embed embed; jpayne@69: #endif jpayne@69: #if EV_ASYNC_ENABLE jpayne@69: struct ev_async async; jpayne@69: #endif jpayne@69: }; jpayne@69: jpayne@69: /* flag bits for ev_default_loop and ev_loop_new */ jpayne@69: enum { jpayne@69: /* the default */ jpayne@69: EVFLAG_AUTO = 0x00000000U, /* not quite a mask */ jpayne@69: /* flag bits */ jpayne@69: EVFLAG_NOENV = 0x01000000U, /* do NOT consult environment */ jpayne@69: EVFLAG_FORKCHECK = 0x02000000U, /* check for a fork in each iteration */ jpayne@69: /* debugging/feature disable */ jpayne@69: EVFLAG_NOINOTIFY = 0x00100000U, /* do not attempt to use inotify */ jpayne@69: #if EV_COMPAT3 jpayne@69: EVFLAG_NOSIGFD = 0, /* compatibility to pre-3.9 */ jpayne@69: #endif jpayne@69: EVFLAG_SIGNALFD = 0x00200000U, /* attempt to use signalfd */ jpayne@69: EVFLAG_NOSIGMASK = 0x00400000U, /* avoid modifying the signal mask */ jpayne@69: EVFLAG_NOTIMERFD = 0x00800000U /* avoid creating a timerfd */ jpayne@69: }; jpayne@69: jpayne@69: /* method bits to be ored together */ jpayne@69: enum { jpayne@69: EVBACKEND_SELECT = 0x00000001U, /* available just about anywhere */ jpayne@69: EVBACKEND_POLL = 0x00000002U, /* !win, !aix, broken on osx */ jpayne@69: EVBACKEND_EPOLL = 0x00000004U, /* linux */ jpayne@69: EVBACKEND_KQUEUE = 0x00000008U, /* bsd, broken on osx */ jpayne@69: EVBACKEND_DEVPOLL = 0x00000010U, /* solaris 8 */ /* NYI */ jpayne@69: EVBACKEND_PORT = 0x00000020U, /* solaris 10 */ jpayne@69: EVBACKEND_LINUXAIO = 0x00000040U, /* linux AIO, 4.19+ */ jpayne@69: EVBACKEND_IOURING = 0x00000080U, /* linux io_uring, 5.1+ */ jpayne@69: EVBACKEND_ALL = 0x000000FFU, /* all known backends */ jpayne@69: EVBACKEND_MASK = 0x0000FFFFU /* all future backends */ jpayne@69: }; jpayne@69: jpayne@69: #if EV_PROTOTYPES jpayne@69: EV_API_DECL int ev_version_major (void) EV_NOEXCEPT; jpayne@69: EV_API_DECL int ev_version_minor (void) EV_NOEXCEPT; jpayne@69: jpayne@69: EV_API_DECL unsigned int ev_supported_backends (void) EV_NOEXCEPT; jpayne@69: EV_API_DECL unsigned int ev_recommended_backends (void) EV_NOEXCEPT; jpayne@69: EV_API_DECL unsigned int ev_embeddable_backends (void) EV_NOEXCEPT; jpayne@69: jpayne@69: EV_API_DECL ev_tstamp ev_time (void) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_sleep (ev_tstamp delay) EV_NOEXCEPT; /* sleep for a while */ jpayne@69: jpayne@69: /* Sets the allocation function to use, works like realloc. jpayne@69: * It is used to allocate and free memory. jpayne@69: * If it returns zero when memory needs to be allocated, the library might abort jpayne@69: * or take some potentially destructive action. jpayne@69: * The default is your system realloc function. jpayne@69: */ jpayne@69: EV_API_DECL void ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT; jpayne@69: jpayne@69: /* set the callback function to call on a jpayne@69: * retryable syscall error jpayne@69: * (such as failed select, poll, epoll_wait) jpayne@69: */ jpayne@69: EV_API_DECL void ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT; jpayne@69: jpayne@69: #if EV_MULTIPLICITY jpayne@69: jpayne@69: /* the default loop is the only one that handles signals and child watchers */ jpayne@69: /* you can call this as often as you like */ jpayne@69: EV_API_DECL struct ev_loop *ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; jpayne@69: jpayne@69: #ifdef EV_API_STATIC jpayne@69: EV_API_DECL struct ev_loop *ev_default_loop_ptr; jpayne@69: #endif jpayne@69: jpayne@69: EV_INLINE struct ev_loop * jpayne@69: ev_default_loop_uc_ (void) EV_NOEXCEPT jpayne@69: { jpayne@69: extern struct ev_loop *ev_default_loop_ptr; jpayne@69: jpayne@69: return ev_default_loop_ptr; jpayne@69: } jpayne@69: jpayne@69: EV_INLINE int jpayne@69: ev_is_default_loop (EV_P) EV_NOEXCEPT jpayne@69: { jpayne@69: return EV_A == EV_DEFAULT_UC; jpayne@69: } jpayne@69: jpayne@69: /* create and destroy alternative loops that don't handle signals */ jpayne@69: EV_API_DECL struct ev_loop *ev_loop_new (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; jpayne@69: jpayne@69: EV_API_DECL ev_tstamp ev_now (EV_P) EV_NOEXCEPT; /* time w.r.t. timers and the eventloop, updated after each poll */ jpayne@69: jpayne@69: #else jpayne@69: jpayne@69: EV_API_DECL int ev_default_loop (unsigned int flags EV_CPP (= 0)) EV_NOEXCEPT; /* returns true when successful */ jpayne@69: jpayne@69: EV_API_DECL ev_tstamp ev_rt_now; jpayne@69: jpayne@69: EV_INLINE ev_tstamp jpayne@69: ev_now (void) EV_NOEXCEPT jpayne@69: { jpayne@69: return ev_rt_now; jpayne@69: } jpayne@69: jpayne@69: /* looks weird, but ev_is_default_loop (EV_A) still works if this exists */ jpayne@69: EV_INLINE int jpayne@69: ev_is_default_loop (void) EV_NOEXCEPT jpayne@69: { jpayne@69: return 1; jpayne@69: } jpayne@69: jpayne@69: #endif /* multiplicity */ jpayne@69: jpayne@69: /* destroy event loops, also works for the default loop */ jpayne@69: EV_API_DECL void ev_loop_destroy (EV_P); jpayne@69: jpayne@69: /* this needs to be called after fork, to duplicate the loop */ jpayne@69: /* when you want to re-use it in the child */ jpayne@69: /* you can call it in either the parent or the child */ jpayne@69: /* you can actually call it at any time, anywhere :) */ jpayne@69: EV_API_DECL void ev_loop_fork (EV_P) EV_NOEXCEPT; jpayne@69: jpayne@69: EV_API_DECL unsigned int ev_backend (EV_P) EV_NOEXCEPT; /* backend in use by loop */ jpayne@69: jpayne@69: EV_API_DECL void ev_now_update (EV_P) EV_NOEXCEPT; /* update event loop time */ jpayne@69: jpayne@69: #if EV_WALK_ENABLE jpayne@69: /* walk (almost) all watchers in the loop of a given type, invoking the */ jpayne@69: /* callback on every such watcher. The callback might stop the watcher, */ jpayne@69: /* but do nothing else with the loop */ jpayne@69: EV_API_DECL void ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT; jpayne@69: #endif jpayne@69: jpayne@69: #endif /* prototypes */ jpayne@69: jpayne@69: /* ev_run flags values */ jpayne@69: enum { jpayne@69: EVRUN_NOWAIT = 1, /* do not block/wait */ jpayne@69: EVRUN_ONCE = 2 /* block *once* only */ jpayne@69: }; jpayne@69: jpayne@69: /* ev_break how values */ jpayne@69: enum { jpayne@69: EVBREAK_CANCEL = 0, /* undo unloop */ jpayne@69: EVBREAK_ONE = 1, /* unloop once */ jpayne@69: EVBREAK_ALL = 2 /* unloop all loops */ jpayne@69: }; jpayne@69: jpayne@69: #if EV_PROTOTYPES jpayne@69: EV_API_DECL int ev_run (EV_P_ int flags EV_CPP (= 0)); jpayne@69: EV_API_DECL void ev_break (EV_P_ int how EV_CPP (= EVBREAK_ONE)) EV_NOEXCEPT; /* break out of the loop */ jpayne@69: jpayne@69: /* jpayne@69: * ref/unref can be used to add or remove a refcount on the mainloop. every watcher jpayne@69: * keeps one reference. if you have a long-running watcher you never unregister that jpayne@69: * should not keep ev_loop from running, unref() after starting, and ref() before stopping. jpayne@69: */ jpayne@69: EV_API_DECL void ev_ref (EV_P) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_unref (EV_P) EV_NOEXCEPT; jpayne@69: jpayne@69: /* jpayne@69: * convenience function, wait for a single event, without registering an event watcher jpayne@69: * if timeout is < 0, do wait indefinitely jpayne@69: */ jpayne@69: EV_API_DECL void ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT; jpayne@69: jpayne@69: EV_API_DECL void ev_invoke_pending (EV_P); /* invoke all pending watchers */ jpayne@69: jpayne@69: # if EV_FEATURE_API jpayne@69: EV_API_DECL unsigned int ev_iteration (EV_P) EV_NOEXCEPT; /* number of loop iterations */ jpayne@69: EV_API_DECL unsigned int ev_depth (EV_P) EV_NOEXCEPT; /* #ev_loop enters - #ev_loop leaves */ jpayne@69: EV_API_DECL void ev_verify (EV_P) EV_NOEXCEPT; /* abort if loop data corrupted */ jpayne@69: jpayne@69: EV_API_DECL void ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ jpayne@69: EV_API_DECL void ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT; /* sleep at least this time, default 0 */ jpayne@69: jpayne@69: /* advanced stuff for threading etc. support, see docs */ jpayne@69: EV_API_DECL void ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT; jpayne@69: EV_API_DECL void *ev_userdata (EV_P) EV_NOEXCEPT; jpayne@69: typedef void (*ev_loop_callback)(EV_P); jpayne@69: EV_API_DECL void ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT; jpayne@69: /* C++ doesn't allow the use of the ev_loop_callback typedef here, so we need to spell it out */ jpayne@69: EV_API_DECL void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT; jpayne@69: jpayne@69: EV_API_DECL unsigned int ev_pending_count (EV_P) EV_NOEXCEPT; /* number of pending events, if any */ jpayne@69: jpayne@69: /* jpayne@69: * stop/start the timer handling. jpayne@69: */ jpayne@69: EV_API_DECL void ev_suspend (EV_P) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_resume (EV_P) EV_NOEXCEPT; jpayne@69: #endif jpayne@69: jpayne@69: #endif jpayne@69: jpayne@69: /* these may evaluate ev multiple times, and the other arguments at most once */ jpayne@69: /* either use ev_init + ev_TYPE_set, or the ev_TYPE_init macro, below, to first initialise a watcher */ jpayne@69: #define ev_init(ev,cb_) do { \ jpayne@69: ((ev_watcher *)(void *)(ev))->active = \ jpayne@69: ((ev_watcher *)(void *)(ev))->pending = 0; \ jpayne@69: ev_set_priority ((ev), 0); \ jpayne@69: ev_set_cb ((ev), cb_); \ jpayne@69: } while (0) jpayne@69: jpayne@69: #define ev_io_modify(ev,events_) do { (ev)->events = (ev)->events & EV__IOFDSET | (events_); } while (0) jpayne@69: #define ev_io_set(ev,fd_,events_) do { (ev)->fd = (fd_); (ev)->events = (events_) | EV__IOFDSET; } while (0) jpayne@69: #define ev_timer_set(ev,after_,repeat_) do { ((ev_watcher_time *)(ev))->at = (after_); (ev)->repeat = (repeat_); } while (0) jpayne@69: #define ev_periodic_set(ev,ofs_,ival_,rcb_) do { (ev)->offset = (ofs_); (ev)->interval = (ival_); (ev)->reschedule_cb = (rcb_); } while (0) jpayne@69: #define ev_signal_set(ev,signum_) do { (ev)->signum = (signum_); } while (0) jpayne@69: #define ev_child_set(ev,pid_,trace_) do { (ev)->pid = (pid_); (ev)->flags = !!(trace_); } while (0) jpayne@69: #define ev_stat_set(ev,path_,interval_) do { (ev)->path = (path_); (ev)->interval = (interval_); (ev)->wd = -2; } while (0) jpayne@69: #define ev_idle_set(ev) /* nop, yes, this is a serious in-joke */ jpayne@69: #define ev_prepare_set(ev) /* nop, yes, this is a serious in-joke */ jpayne@69: #define ev_check_set(ev) /* nop, yes, this is a serious in-joke */ jpayne@69: #define ev_embed_set(ev,other_) do { (ev)->other = (other_); } while (0) jpayne@69: #define ev_fork_set(ev) /* nop, yes, this is a serious in-joke */ jpayne@69: #define ev_cleanup_set(ev) /* nop, yes, this is a serious in-joke */ jpayne@69: #define ev_async_set(ev) /* nop, yes, this is a serious in-joke */ jpayne@69: jpayne@69: #define ev_io_init(ev,cb,fd,events) do { ev_init ((ev), (cb)); ev_io_set ((ev),(fd),(events)); } while (0) jpayne@69: #define ev_timer_init(ev,cb,after,repeat) do { ev_init ((ev), (cb)); ev_timer_set ((ev),(after),(repeat)); } while (0) jpayne@69: #define ev_periodic_init(ev,cb,ofs,ival,rcb) do { ev_init ((ev), (cb)); ev_periodic_set ((ev),(ofs),(ival),(rcb)); } while (0) jpayne@69: #define ev_signal_init(ev,cb,signum) do { ev_init ((ev), (cb)); ev_signal_set ((ev), (signum)); } while (0) jpayne@69: #define ev_child_init(ev,cb,pid,trace) do { ev_init ((ev), (cb)); ev_child_set ((ev),(pid),(trace)); } while (0) jpayne@69: #define ev_stat_init(ev,cb,path,interval) do { ev_init ((ev), (cb)); ev_stat_set ((ev),(path),(interval)); } while (0) jpayne@69: #define ev_idle_init(ev,cb) do { ev_init ((ev), (cb)); ev_idle_set ((ev)); } while (0) jpayne@69: #define ev_prepare_init(ev,cb) do { ev_init ((ev), (cb)); ev_prepare_set ((ev)); } while (0) jpayne@69: #define ev_check_init(ev,cb) do { ev_init ((ev), (cb)); ev_check_set ((ev)); } while (0) jpayne@69: #define ev_embed_init(ev,cb,other) do { ev_init ((ev), (cb)); ev_embed_set ((ev),(other)); } while (0) jpayne@69: #define ev_fork_init(ev,cb) do { ev_init ((ev), (cb)); ev_fork_set ((ev)); } while (0) jpayne@69: #define ev_cleanup_init(ev,cb) do { ev_init ((ev), (cb)); ev_cleanup_set ((ev)); } while (0) jpayne@69: #define ev_async_init(ev,cb) do { ev_init ((ev), (cb)); ev_async_set ((ev)); } while (0) jpayne@69: jpayne@69: #define ev_is_pending(ev) (0 + ((ev_watcher *)(void *)(ev))->pending) /* ro, true when watcher is waiting for callback invocation */ jpayne@69: #define ev_is_active(ev) (0 + ((ev_watcher *)(void *)(ev))->active) /* ro, true when the watcher has been started */ jpayne@69: jpayne@69: #define ev_cb_(ev) (ev)->cb /* rw */ jpayne@69: #define ev_cb(ev) (memmove (&ev_cb_ (ev), &((ev_watcher *)(ev))->cb, sizeof (ev_cb_ (ev))), (ev)->cb) jpayne@69: jpayne@69: #if EV_MINPRI == EV_MAXPRI jpayne@69: # define ev_priority(ev) ((ev), EV_MINPRI) jpayne@69: # define ev_set_priority(ev,pri) ((ev), (pri)) jpayne@69: #else jpayne@69: # define ev_priority(ev) (+(((ev_watcher *)(void *)(ev))->priority)) jpayne@69: # define ev_set_priority(ev,pri) ( (ev_watcher *)(void *)(ev))->priority = (pri) jpayne@69: #endif jpayne@69: jpayne@69: #define ev_periodic_at(ev) (+((ev_watcher_time *)(ev))->at) jpayne@69: jpayne@69: #ifndef ev_set_cb jpayne@69: /* memmove is used here to avoid strict aliasing violations, and hopefully is optimized out by any reasonable compiler */ jpayne@69: # define ev_set_cb(ev,cb_) (ev_cb_ (ev) = (cb_), memmove (&((ev_watcher *)(ev))->cb, &ev_cb_ (ev), sizeof (ev_cb_ (ev)))) jpayne@69: #endif jpayne@69: jpayne@69: /* stopping (enabling, adding) a watcher does nothing if it is already running */ jpayne@69: /* stopping (disabling, deleting) a watcher does nothing unless it's already running */ jpayne@69: #if EV_PROTOTYPES jpayne@69: jpayne@69: /* feeds an event into a watcher as if the event actually occurred */ jpayne@69: /* accepts any ev_watcher type */ jpayne@69: EV_API_DECL void ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT; jpayne@69: #if EV_SIGNAL_ENABLE jpayne@69: EV_API_DECL void ev_feed_signal (int signum) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT; jpayne@69: #endif jpayne@69: EV_API_DECL void ev_invoke (EV_P_ void *w, int revents); jpayne@69: EV_API_DECL int ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT; jpayne@69: jpayne@69: EV_API_DECL void ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT; jpayne@69: jpayne@69: EV_API_DECL void ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT; jpayne@69: /* stops if active and no repeat, restarts if active and repeating, starts if inactive and repeating */ jpayne@69: EV_API_DECL void ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT; jpayne@69: /* return remaining time */ jpayne@69: EV_API_DECL ev_tstamp ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT; jpayne@69: jpayne@69: #if EV_PERIODIC_ENABLE jpayne@69: EV_API_DECL void ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT; jpayne@69: #endif jpayne@69: jpayne@69: /* only supported in the default loop */ jpayne@69: #if EV_SIGNAL_ENABLE jpayne@69: EV_API_DECL void ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT; jpayne@69: #endif jpayne@69: jpayne@69: /* only supported in the default loop */ jpayne@69: # if EV_CHILD_ENABLE jpayne@69: EV_API_DECL void ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT; jpayne@69: # endif jpayne@69: jpayne@69: # if EV_STAT_ENABLE jpayne@69: EV_API_DECL void ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT; jpayne@69: # endif jpayne@69: jpayne@69: # if EV_IDLE_ENABLE jpayne@69: EV_API_DECL void ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT; jpayne@69: # endif jpayne@69: jpayne@69: #if EV_PREPARE_ENABLE jpayne@69: EV_API_DECL void ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT; jpayne@69: #endif jpayne@69: jpayne@69: #if EV_CHECK_ENABLE jpayne@69: EV_API_DECL void ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT; jpayne@69: #endif jpayne@69: jpayne@69: # if EV_FORK_ENABLE jpayne@69: EV_API_DECL void ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT; jpayne@69: # endif jpayne@69: jpayne@69: # if EV_CLEANUP_ENABLE jpayne@69: EV_API_DECL void ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT; jpayne@69: # endif jpayne@69: jpayne@69: # if EV_EMBED_ENABLE jpayne@69: /* only supported when loop to be embedded is in fact embeddable */ jpayne@69: EV_API_DECL void ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT; jpayne@69: # endif jpayne@69: jpayne@69: # if EV_ASYNC_ENABLE jpayne@69: EV_API_DECL void ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT; jpayne@69: EV_API_DECL void ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT; jpayne@69: # endif jpayne@69: jpayne@69: #if EV_COMPAT3 jpayne@69: #define EVLOOP_NONBLOCK EVRUN_NOWAIT jpayne@69: #define EVLOOP_ONESHOT EVRUN_ONCE jpayne@69: #define EVUNLOOP_CANCEL EVBREAK_CANCEL jpayne@69: #define EVUNLOOP_ONE EVBREAK_ONE jpayne@69: #define EVUNLOOP_ALL EVBREAK_ALL jpayne@69: #if EV_PROTOTYPES jpayne@69: EV_INLINE void ev_loop (EV_P_ int flags) { ev_run (EV_A_ flags); } jpayne@69: EV_INLINE void ev_unloop (EV_P_ int how ) { ev_break (EV_A_ how ); } jpayne@69: EV_INLINE void ev_default_destroy (void) { ev_loop_destroy (EV_DEFAULT); } jpayne@69: EV_INLINE void ev_default_fork (void) { ev_loop_fork (EV_DEFAULT); } jpayne@69: #if EV_FEATURE_API jpayne@69: EV_INLINE unsigned int ev_loop_count (EV_P) { return ev_iteration (EV_A); } jpayne@69: EV_INLINE unsigned int ev_loop_depth (EV_P) { return ev_depth (EV_A); } jpayne@69: EV_INLINE void ev_loop_verify (EV_P) { ev_verify (EV_A); } jpayne@69: #endif jpayne@69: #endif jpayne@69: #else jpayne@69: typedef struct ev_loop ev_loop; jpayne@69: #endif jpayne@69: jpayne@69: #endif jpayne@69: jpayne@69: EV_CPP(}) jpayne@69: jpayne@69: #endif jpayne@69: